facebook/hermes
View on GitHubA JavaScript engine optimized for running React Native.
- Stars
- 11.3k
- Forks
- 859
- Open beginner issues
- 0
- Indexed issues
- 136
- Avg merge
- 1h 30m
- Merged PRs (30d)
- 3
- Dominant language
- JavaScript
- License
- MIT
- Last GitHub push
- Sep 12, 2026
- Latest indexed
- Sep 15, 2026
- Contributing guide
- Contributing guide
- Code of conduct
- Code of conduct
- Beginner labels
- No beginner labels indexed
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enhancement
facebook/hermes#1684 · 3 comments · 3 reactions · 1 assignee ·
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enhancement
facebook/hermes#1694 · 0 comments · 0 reactions · 1 assignee ·
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enhancement
facebook/hermes#1705 · 3 comments · 1 reaction · 0 assignees ·
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enhancement
facebook/hermes#1707 · 13 comments · 0 reactions · 1 assignee ·
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bug
facebook/hermes#1716 · 4 comments · 1 reaction · 0 assignees ·
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enhancement
facebook/hermes#1807 · 6 comments · 0 reactions · 0 assignees ·
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community-support-needed need more info
facebook/hermes#1822 · 1 comment · 0 reactions · 0 assignees ·
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bug
facebook/hermes#1825 · 3 comments · 0 reactions · 0 assignees ·
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bug
facebook/hermes#1835 · 1 comment · 0 reactions · 0 assignees ·
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enhancement
facebook/hermes#1836 · 3 comments · 0 reactions · 0 assignees ·
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facebook/hermes#1850 · 0 comments · 1 reaction · 0 assignees ·
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enhancement
facebook/hermes#1853 · 14 comments · 0 reactions · 0 assignees ·
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need more info
facebook/hermes#1873 · 8 comments · 0 reactions · 0 assignees ·
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facebook/hermes#1876 · 13 comments · 0 reactions · 0 assignees ·
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[iOS] Crash in HiddenClass::addProperty during runtime initialization (bindNativePerformanceNow) Openneed more info
facebook/hermes#1896 · 1 comment · 0 reactions · 0 assignees ·
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enhancement
facebook/hermes#1905 · 2 comments · 0 reactions · 0 assignees ·
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bug
facebook/hermes#1910 · 0 comments · 0 reactions · 0 assignees ·
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bug
facebook/hermes#1912 · 1 comment · 0 reactions · 0 assignees ·
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bug
facebook/hermes#1920 · 6 comments · 1 reaction · 0 assignees ·
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enhancement
facebook/hermes#1924 · 0 comments · 0 reactions · 0 assignees ·
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Intl.NumberFormat.format() throws "Cannot convert BigInt to number" when passed a bigint on Android Openbug
facebook/hermes#1928 · 3 comments · 1 reaction · 2 assignees ·
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enhancement
facebook/hermes#1937 · 0 comments · 0 reactions · 0 assignees ·
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need-repro
facebook/hermes#1969 · 11 comments · 0 reactions · 0 assignees ·
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bug
facebook/hermes#1990 · 1 comment · 0 reactions · 1 assignee ·
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facebook/hermes#2011 · 2 comments · 0 reactions · 0 assignees ·
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[Security] BCProvider: unvalidated getLargeHeaderOffset() enables heap OOB read in bytecode parsing Open
facebook/hermes#2023 · 1 comment · 0 reactions · 0 assignees ·
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bug
facebook/hermes#2048 · 19 comments · 11 reactions · 0 assignees ·
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facebook/hermes#2125 · 0 comments · 0 reactions · 0 assignees ·
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bug
facebook/hermes#2126 · 1 comment · 0 reactions · 0 assignees ·
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bug
facebook/hermes#2129 · 1 comment · 0 reactions · 0 assignees ·
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hermes-parser: babel:true conversion is O(n^2) in sibling count — 88s on a file that parses in 0.1s Open
facebook/hermes#2158 · 0 comments · 1 reaction · 0 assignees ·
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facebook/hermes#2159 · 1 comment · 0 reactions · 0 assignees ·
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facebook/hermes#2173 · 1 comment · 0 reactions · 0 assignees ·
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facebook/hermes#2174 · 1 comment · 0 reactions · 0 assignees ·
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facebook/hermes#2175 · 1 comment · 0 reactions · 0 assignees ·
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facebook/hermes#2176 · 1 comment · 0 reactions · 0 assignees ·